SLIDESHOW: 18 'PBB' housemates introduced

Photos by Michael Bagtas for ABS-CBNnews.com

MANILA - The 18 new housemates of "Pinoy Big Brother" were introduced Sunday during the grand re-opening of the famous house, which gathered past winners and housemates of the pioneering reality show in the country.

Four housemates were introduced earlier in the day via "ASAP" and "Buzz ng Bayan," with the remaining 14 taking the stage to bid goodbye to the "outside world" before entering the house.

Here's a closer look at some of the housemates as they were unveiled during the first episode of "Pinoy Big Brother: All In" (Photos by Michael Bagtas for ABS-CBNnews.com):